Piston Seal Installation - Endless Back-up Rings - YouTube
Backup Rings - Sigma Seals & Gaskets
Back-up Ring | Static Seals | Trelleborg
Back-up Rings for Oil & Gas Applications - Trelleborg
Back-Up Rings & Anti Extrusion Rings | Supplier of Quality Sealing Products | Eastern Seals UK
PEEK Back-Up Rings - M&P Flange & Pipe Protection
Global O-Ring and Seal on Twitter: "Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here